General
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Target
echo1.exe
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Size
49.6MB
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Sample
240607-q3313aab28
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MD5
bd7a77c0b16ff88c51db4c9e355b30a5
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SHA1
55a760aadef48af0d0b6a1c87bb105fe1bd54192
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SHA256
353b7b597931b83bc1f3035111d05a11503700152469f276d4c91e6e1808bf7a
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SHA512
ff2c3c56a850ed2aa39ecb64fd8c7233d3bea9550d88f6925806479555cc9d8922f4c9767ae66e72f259fda98b9e41db393d51d6f67283a4eec1d94531a6001d
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SSDEEP
786432:8p039wWpiCV6Ib7QRujuPuvBe70dDHBtd5ZEKFzF0d/G7ObYLAwouZtRL:8ps9frb70PNoRLd5ZEKtvObYLAqt
Behavioral task
behavioral1
Sample
echo1.exe
Resource
win10v2004-20240426-de
Malware Config
Targets
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Target
echo1.exe
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Size
49.6MB
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MD5
bd7a77c0b16ff88c51db4c9e355b30a5
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SHA1
55a760aadef48af0d0b6a1c87bb105fe1bd54192
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SHA256
353b7b597931b83bc1f3035111d05a11503700152469f276d4c91e6e1808bf7a
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SHA512
ff2c3c56a850ed2aa39ecb64fd8c7233d3bea9550d88f6925806479555cc9d8922f4c9767ae66e72f259fda98b9e41db393d51d6f67283a4eec1d94531a6001d
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SSDEEP
786432:8p039wWpiCV6Ib7QRujuPuvBe70dDHBtd5ZEKFzF0d/G7ObYLAwouZtRL:8ps9frb70PNoRLd5ZEKtvObYLAqt
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Contacts a large (1803) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1